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Patent applications and USPTO patent grants for Harr; Mark E..The latest application filed is for "phosphite ester additive compositions".
Patent | Date |
---|---|
Phenol-free phosphites Grant 7,470,735 - Stevenson , et al. December 30, 2 | 2008-12-30 |
Phosphite ester additive compositions Grant 7,320,764 - Stevenson , et al. January 22, 2 | 2008-01-22 |
Phosphite ester additive composition Grant 6,824,711 - Stevenson , et al. November 30, 2 | 2004-11-30 |
Phosphite Ester Additive Compositions App 20040183054 - STEVENSON, Donald R. ;   et al. | 2004-09-23 |
Phenol-free Phosphites App 20040180999 - STEVENSON, Donald R. ;   et al. | 2004-09-16 |
Phosphite ester additive compositions App 20030001136 - Stevenson, Don R. ;   et al. | 2003-01-02 |
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